SAP hiring process includes
1.Online Aptitude test
2.Technical interview
3.Managerial round
4.HR round
online aptitude contains analytical, logical, and verbal , two programs to write and one essay to check the writing skill.
In Technical interview they ask about basics of C, C++ and DBMS. I had asked about C and C++ concepts like pointers structure etc and in C++ oops concept. In DBMS they asked some queries to write.Then they asked me about operating system like dead locks semaphore and all. atlast in java they asked me about composition and association. They may take 2-3 technical interview.
In managerial they will ask us to solution for some problems. they mainly check about how we take decisions at perticular situation.
IN HR round they ask questions like why sap?, why u want to join? and tell me about urself and family background.They will ask even the project you have done.